CVE-2013-4891
UnknownEPSS 1.47%
Last modified
CVE-2013-4891 is a vulnerability of currently unknown severity. The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.
Description
The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Codeigniter | Codeigniter | < 2.1.4 |
References
- https://github.com/bcit-ci/CodeIgniter/issues/4020Issue Tracking, Third Party Advisory
- https://nealpoole.com/blog/2013/07/codeigniter-21-xss-clean-filter-bypass/Exploit, Third Party Advisory
- https://github.com/bcit-ci/CodeIgniter/issues/4020Issue Tracking, Third Party Advisory
- https://nealpoole.com/blog/2013/07/codeigniter-21-xss-clean-filter-bypass/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2013-4891?
The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.
How severe is CVE-2013-4891?
Severity scoring for CVE-2013-4891 is pending analysis. The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.
How do I fix CVE-2013-4891?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2013-4891?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST